USC S-4301 - 20 X 20 X 4" CORRUGATED GARMENT BOXES - EASY TO SHIP, STORE AND HANDLE BOXES FOR THE GARMENT INDUSTRY. CLOTHES PACK FLAT WITH OR WITHOUT HANGERS. SERIES: GARMENT GLUED SEAMS. MEETS ASTM D5118 AND D3951. 200# TEST VS 32 ECT (EDGE CRUSH TEST)...